package com.college.common.config;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Date;

/**
 *
 *   拦截器
 *
 * */

public class LogCostInterceptor implements HandlerInterceptor {
private long start = System.currentTimeMillis();

@Override
public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
start = System.currentTimeMillis();
return true;
}

@Override
public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
System.out.println("请求："+httpServletRequest.getRequestURI()+"?"+httpServletRequest.getQueryString()+"，耗时"+(System.currentTimeMillis()-start)+"ms  "+new Date());
}

@Override
public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {
}
}